diff --git a/translations/es/README.md b/translations/es/README.md
index 51aa181..a3d2963 100644
--- a/translations/es/README.md
+++ b/translations/es/README.md
@@ -571,10 +571,10 @@ Escriba código en un pizarrón o en papel no en la computadora. Pruebe con algu
     - [ ] Doble lista enlazada
         - [Description (video)](https://www.coursera.org/learn/data-structures/lecture/jpGKD/doubly-linked-lists)
         - No es necesario 
-- ### Stack
+- ### Pila
     - [ ] [Stacks (video)](https://www.coursera.org/learn/data-structures/lecture/UdKzQ/stacks)
     - [ ] [Using Stacks Last-In First-Out (video)](https://www.lynda.com/Developer-Programming-Foundations-tutorials/Using-stacks-last-first-out/149042/177120-4.html)
-    - [ ] Will not implement. Implementing with array is trivial.
+    - [ ] No implementaré. Implementando con arreglos es trivial.
 
 - ### Queue
     - [ ] [Using Queues First-In First-Out(video)](https://www.lynda.com/Developer-Programming-Foundations-tutorials/Using-queues-first-first-out/149042/177122-4.html)